Side by side comparison and review of Olympus OM-D E-M1 Mark III and Olympus OM System 1. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.09 cm | 9.16 cm |
| Width | 13.41 cm | 13.48 cm |
| Depth | 6.89 cm | 7.27 cm |
| Weight | 504 g | 511 g |
| Weight Details | Camera only: 504 g Camera with battery and memory card: 580 g |
Camera body only: 511 g Camera with battery and memory card: 599 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Black | - |
| Protection | Splashproof, freezeproof, dust-resistant | Splashproof, freezeproof, dust-proof, IP53 |
| SENSOR | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Sensor Resolution | 20.4 Megapixel | 20.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | Stacked BSI Live MOS |
| Total Pixels | 21,800,000 pixels | 22,900,000 pixels |
| Effective Sensor Resolution | 20,400,000 pixels | 20,400,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | Four Thirds (4/3") |
| Frame Rate (Max Resolution) | 24 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | Supersonic Wave Filter (SWF) |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | Digital level metre |
| PROCESSOR | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Image Processor | TruePic IX | TruePic X |
|---|
| LENS | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Lens Mounting Type | Micro Four Thirds | Micro Four Thirds |
|---|
| FOCUSING | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 121 | 1053 |
| Auto Focus Features | Focus Peaking function | Focus Peaking function |
| AE/AF Control | Face-priority AF, Eye detection AF | AI Focus AF |
| Face Detection | Eye Detect AF, face-priority AF function | Eye Detect AF, Face Detection AF/AE |
| VIEWFINDER | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Viewfinder Type | Electronic - LCD | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Resolution | 2,360,000 pixels | 5,760,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.48x | - |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +2 |
| Viewfinder Information | Shutter speed, exposure compensation, AF-in-focus, aperture, white balance, Exposure Mode, image stabilizer, battery status, AF lock, electronic level, area AF frame, metering mode | - |
| Field of View Crop Factor | 2 | 2 |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| ISO (Max) | 25600 | 102400 |
|---|---|---|
| Native ISO | 200-6400 | - |
| Extended ISO (Max) | 25600 | 102400 |
| Extended ISO (Min) | 64 | 80 |
| Light Sensitivity | ISO auto (64-6400), ISO 64-25600 | ISO 200-102400, ISO 80-102400 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight spot, shadow spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 324 | 324 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | - |
| Bracketing Modes | Art Filter bracketing, focus bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing | Art Filter bracketing, Dynamic Range Bracketing, focus bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing |
| Special Effects | Sepia, Monotone, Black & White Red filter, Black & White Yellow filter, Vivid, Black & White Orange filter, soft focus, natural, Black & White Green filter, Flat, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, High Key, Low Key, Key Line, Vintage, e-Portrait | Monotone, Vivid, soft focus, natural, Flat, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, High Key, Low Key, Key Line, Vintage, Instant Film, Colour Creator, Underwater |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K | - |
| Shutter Type | Mechanical, electronic | Mechanical, electronic |
| Max Shutter Speed | 1/32000 sec | 1/32000 sec |
| Min Shutter Speed | 60 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1, 1/2 or 1/3 EV steps | ±5 EV range, in 1/3 EV steps |
| Auto Exposure Bracketing | 5 steps in 1/3, 2/3 or 1 EV steps | - |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/250sec | 1/250sec, 1/8000 sec |
| Exposure Range | EV -2-20 (ISO 100) | EV -5.5-19 (ISO 100) |
| DISPLAY | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,037,000 pixels | 1,620,000 pixels |
| Display Form Factor | Rotating | Folding |
| Display Features | Display brightness control, display colour control | - |
| FLASH | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Camera Flash | - | External flash |
|---|---|---|
| Flash Modes | - | Fill-in mode, slow synchro, flash OFF mode |
| Features | - | AF illuminator |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Digital Video Format | MJPEG, H.264 | H.264, MOV, H.265, MPEG-4 AVC |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 4096 x 2160 | 4096 x 2160 |
| Audio Signal Format | Linear PCM | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction | Wind noise reduction |
| MEMORY | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Memory Card Slot | Dual SD card | SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | No | - |
| Image Storage | 5184 x 3888 | 5184 x 3888 |
| Video Capture | 4096 x 2160 p - 24 fps - 237Mbps 3840 x 2160 p - 30 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 24 fps 1920 x 1080 p - 30 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 24 fps 1920 x 1080 p - 60 fps 1920 x 1080 p - 50 fps 1280 x 720 p - 60 fps 1280 x 720 p - 50 fps 1280 x 720 p - 30 fps 1280 x 720 p - 25 fps 1280 x 720 p - 24 fps AVI - 640 x 480 p - 30 fps |
- |
| BATTERY AND CHARGING | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Battery Type | Olympus BLH-1 Lithium Ion | Olympus BLX-1 Lithium Ion |
|---|---|---|
| Details | Olympus BLH-1 Li-ion rechargeable battery - 1720 mAh (included) | Olympus BLX-1 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 420 shots Video recording - 85 minutes |
- |
| CONNECTIONS | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Interface | HDMI, USB 3.0, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 | HDMI, USB-C, IEEE 802.11b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | - |
| Print Standard | DPOF support, Exif Print support | Exif Print support |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| Connector Type | USB 3.0 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
USB 3.0 (USB Type-C) Remote control input (sub-mini phone 2.5 mm) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Self-Timer Delay | 2sec, 12sec | 2sec, 12sec, custom |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 15 frames per second, 60 frames per second, 18 frames per second | 120 frames per second |
| Additional Features | Built-in speaker, RGB primary colour filter, auto power save, sharpness control, histogram display, in-camera red-eye removal, cropping an image, resizing an image, saturation control, shadow point display, highlight point display, in-camera film editing, contrast control, digital tele-converter, USB charging, HDR image enhancement technology, high-speed recording, Time-Lapse recording, silent shooting, GPS via mobile, Flicker detection, multiple exposure capture, Focus Stacking, 80-megapixel High Resolution mode | Built-in speaker, auto power save, histogram display, in-camera red-eye removal, cropping an image, resizing an image, shadow point display, interval shooting mode, highlight point display, USB charging, in-camera RAW processing, HDR image enhancement technology, high-speed recording, Dual Axis Electronic Level, silent shooting, GPS via mobile, multiple exposure capture, Focus Stacking, anti-flicker, Hybrid Log-Gamma (HLG) recording, 80-megapixel High Resolution mode |
| OTHERS | Olympus OM-D E-M1 Mark III | Olympus OM System 1 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, cable clip | Shoulder strap, AC power adaptor, USB cable, cable clip, cable protector |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
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